Alpha 1 & Gen. 2 Outdrive Parts *Drawings *Videos
Mercruiser Alpha One Screw (outdrive top cover)
GLM Marine aftermarket Mercruiser Alpha 1 stern drive cover screw for
OEM number 10-98794 GLM Marine number 28300
Tech support exploded view Alpha One drawingsSearch by part number or description here
28300 Screw Mercruiser Top Cover 10-98794
P/N 28402 Top cover kit for the Alpha One Generation 2 upper housing. This kit includes bearing P/N 21511, shims, 4 screws and o-ring. Compatible with 1991 and up models. Replaces OEM 828692A1.
P/N 28400 MR / Alpha One generation 1 cover assembly for the upper housing (1970 - 1990 models). Includes bearing P/N 21510, shims,
o-ring and 4 screws. Replaces OEM 94998A4. $108.95
P/N 87500 Upper gear case seal and gasket kit for all models up to 1990. Replaces OEM 26-32511A1. $24.95
P/N 87501 Upper seal kit for Alpha 1 Generation 2 (1991 and up) models. Replaces OEM 26-32511A1. $25.95
P/N 508235 Gasket sealant (includes brush inside lid). 4 ounce. $24.95
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